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天择

网络natural selection; nature selection; selective pressure

天择

天择

natural selection

天择(Natural Selection)及演化(Evolution)生物表现于形态、功能、及行为上的变异为天择及演化力量累积的结果。生命的起源…

nature selection

作为半条命的3大MOD之一，天择（Nature Selection）发扬了传统FPS（第一人称射击）游戏的多人对战模式，并在其中融入 …

selective pressure

从生态的观点而言，演化过程(evolutionary process)会造成病原－宿主关系的极大改变，天择(selective pressure)则使具抵抗力 …

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Necessity

.:: Lhu Arts Center ::. ... 嬗递 Existenc e 天择 Necessity 抉择 Alternative ...

natural seleti on

他提供一个机制，进化可单由物质开始，他称之为天择(natural seleti on)。达尔文大部分的说法都已被现代进化论者舍弃且凌驾…

nation selection

事实上，每个个体有不同的生存力(viability)及生殖力(fertility)，因而，产生不同数目的子代，这种自然淘汰就是天择(nation sele…

natural selected

其实，达尔文探讨的是天择（natural selected）的原理，是自然物理能量变化的生存法则，而非心理上的竞争。物理现象可以 …

1

Over the millennia , the long coevolution of H. pylori and H. sapiens has put intense selective pressure on both species.

幽门螺旋菌和现代智人几千年来的共同演化，对两个物种都带来激烈的天择压力。

2

Any random mutation in an intron that proved beneficial to the host organism would have been retained by natural selection .

插入子内任何偶然的突变，只要对宿主有利，就会在天择的筛选下保留。更详细。

3

It matters little when a language becomes moribund and disappears . It's natural selection, applied to culture. The strongest wins.

当一种语言奄奄一息且消失不是什麽大不了的事，这是一种天择，与文化有关，强者终究是最后的赢家。

4

Because the risk is so much lower , Nunney argues , natural selection cannot drive the spread of new defenses against retinoblastoma .

伦尼认为，因为风险非常低，天择无法驱使针对视网膜胚细胞瘤新预防措施散布到族群中。

5

In contrast , two groups that are genetically similar to each other might be exposed to different selective forces .

另一方面，两个遗传组成相似的人群，也许会暴露在不同的天择压力下。

6

Population geneticists have also provided insight into natural selection by describing it mathematically .

族群遗传学家也以数学的方式描述天择，并且提出看法。

7

HAR1 is also the first documented example of an RNA-encoding sequence that appears to have undergone positive selection.

此外，HAR1 也是已知第一个可能受到正向天择的 RNA 编码序列。

8

Recent research suggests that natural selection may have altered genes in ways that make cancer cells more dangerous .

最近的研究指出，天择所改变的基因可能还让癌细胞变得更危险。

9

silently and insensibly working , whenever and wherever opportunity offers.

天择寂静无声、不知不觉地运作，不管何时何地都是机会。

10

Natural selection keeps their clusters from blurring by favoring new mutants that are even better adapted to their niche .

比较适应生态区位的突变受到天择青睐，而维持住群丛间的分野。

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